Who this guide is for
Heads of security, station heads, CISOs, contract cells and DPOs at power plants, substations, load despatch centres, oil and gas installations, water utilities and similar sites in India, whoever mans the gate and whatever holds the visitor record today.
Power plants and critical sites at a glance
| Factor | What it usually looks like |
|---|---|
| Visitor volume and peaks | Steady on normal days; sharp peaks in overhauls, shutdowns and commissioning, when contractors and OEM engineers arrive for weeks |
| Who comes | Contract workers, OEM and integrator engineers (some foreign), tanker and material drivers, auditors, regulators, candidates, student groups |
| Entry points | Main gate, material gate with weighbridge, contractor gate, switchyard or intake gates, and unmanned sites such as remote substations |
| Turnstiles or access control | Turnstiles or card readers at larger plants’ main gates; card or biometric readers at control, DCS and SCADA rooms; a key register at small substations |
| Guard set-up | CISF at many public sector installations, state police at some state utility sites, private agencies at many private plants; often a mix |
| Reception | A visitor room at the main gate run by security; hosts are shift engineers who are hard to reach |
| Main risks | Tailgating in contractor crowds, unvetted outage workers, unescorted control-room access, laptops and USB media near operational technology (OT), wrong emergency headcounts |
| Rules that apply | IT Act s.70 and NCIIPC guidance; CEA cyber security guidelines and regulations; CERT-In directions; the site security plan; Official Secrets Act where notified; Immigration and Foreigners Act 2025; OSH Code; DPDP Act |
Which laws apply to visitors at a power plant or critical site?
- IT Act 2000, section 70. The Government may notify a computer resource that affects critical information infrastructure (CII) as a “protected system”. CII is a computer resource whose incapacitation or destruction would have a debilitating impact on national security, the economy, public health or safety. Unauthorised access to a protected system carries up to ten years in jail and a fine (s.70(3)). “Access” here means gaining entry into or communicating with the computer resource (s.2(1)(a)), so the risk at the gate is the visitor who plugs into a protected system. Rules of May 2018 require a CISO and a steering committee for protected systems (S.S. Rana & Co.).
- NCIIPC. A unit of the National Technical Research Organisation, notified under section 70A on 16 January 2014. Its public CII guidelines (version 2.0, January 2015) name power as a critical sector and call for CCTV, swipe badges and access control policies (PC12); “physical authorization at the entry/exit of the CII area”, with further authorisation at sub-department and division level, which it calls multi-tier security access control (IC2); controlled movement of equipment and media, with gate passes for media leaving the site; NDAs across the supply chain; and control of smartphones and USB and other mobile storage devices.
- CERT-In. Its Directions of 28 April 2022, under section 70B, require cyber incidents to be reported within six hours and ICT logs kept for a rolling 180 days in India. CSIRT-Power, set up at the CEA on 5 April 2023, is an extended arm of CERT-In (PIB).
Which systems are notified as protected systems, and any direction NCIIPC has given your organisation, are generally not public. Align the visitor procedure with your security plan, your CISO and the guarding authority.
Treat the NCIIPC guidelines as the public baseline: layered zone authorisation, media control and device control are the parts that reach the gate.
What the CEA cyber security rules say about physical access
The 2021 Guidelines. The CEA (Cyber Security in Power Sector) Guidelines, released in October 2021, apply to power utilities, load despatch centres and others, and reach integrators, OEMs and vendors. King Stubb & Kasiva calls them advisory. Their most direct reference to physical access is Article 8: annual cyber security training must cover personnel with “authorized cyber or authorized physical access (unescorted or escorted)” to Critical Systems, and no personnel may access a Critical System before completing that training, except in a cyber crisis or emergency. Article 1 asks that data move to or from the internet-facing IT system only through an identifiable whitelisted device, scanned for malware under the site’s SOP.
The 2026 Regulations. The CEA notified the CEA (Cyber Security in Power Sector) Regulations, 2026 on 31 July 2026. They come into force on 1 April 2027, when they replace the 2021 Guidelines (PwC), except six provisions excluded from that date (TeamLease RegTech) and to be notified separately (Beacon Security). Generating companies, captive plants and storage are covered at 50 MW and above (Power Line); transmission and distribution licensees and load despatch centres are covered whatever their size (Beacon Security). Published summaries describe a policy covering access control, remote access and supply chain risk, OT isolated from IT and the internet by default, and a personnel risk assessment covering vendor staff (Beacon Security). We could not read the Gazette text, and no summary we found mentions visitors, escorts or phones, so do not read the framework as mandating a visitor register; check the notified text with your CISO.
Use Article 8 as the bridge between cyber and gate: we would not issue a pass to an OEM engineer who will open a DCS cabinet until the training is complete and a named escort is assigned. Check with your CISO whether the 2026 Regulations carry the same rule forward.
ISO 27001, ISO/IEC 27019 and IEC 62443 at energy sites
- ISO/IEC 27001:2022, Annex A 7. Of the fourteen physical controls, 7.1 perimeters, 7.2 physical entry, 7.4 monitoring, 7.6 working in secure areas and 7.10 storage media matter most for visitors. See our ISO 27001 guide.
- ISO/IEC 27019:2024. The second edition (October 2024) builds on ISO/IEC 27002:2022 for systems that control the generation, transmission, storage and distribution of electricity, gas, oil and heat, and the premises that house them, excluding nuclear process control (ISO). It adds four physical controls: 7.15 securing control centres, 7.16 securing equipment rooms, 7.17 securing peripheral sites, and 7.18 interconnected control and communication systems. The CEA’s 2021 Guidelines ask responsible entities to be ISO/IEC 27001 certified, including the sector-specific controls of ISO/IEC 27019 (Article 1(b)).
- IEC 62443. Industrial automation and control system security. Part 2-1:2024 sets asset owners’ programme requirements and removed duplication with an ISMS (IEC); Part 2-4 covers service providers (ISA). We therefore take physical entry controls from the ISMS and ISO/IEC 27019.
Give the 27019 “peripheral sites” control particular attention. An unmanned substation where a contractor collects a key and signs nothing leaves no record of who was on site.
CISF, state police or a private agency: who owns the gate?
Under section 14 of the CISF Act 1968, the Director-General may depute the force to a public sector, joint venture or private industrial undertaking at the request, and at the charge, of its managing director. CISF lists power plants and nuclear facilities among the installations it protects. For solar, wind and hybrid projects within 50 km of the border, MHA’s July 2026 clearance guidelines expect security such as anti-drone systems operated by CISF or state police at the developer’s cost, pre-verified project employees and monitoring of foreign nationals (MHA).
The guarding force owns its register and search rules; the plant owns who is invited, to which zone, with which escort. Force standing orders are generally not public, so agree in writing who sends the expected-visitor list, by when, and who can overrule a refusal.
The guard post’s register records who passed the gate, not who approved the visit or whether they left. It cannot be the plant’s visitor record.
Prohibited places and foreign nationals
Official Secrets Act 1923. Section 2(8)(d) lets the Central Government declare a place used for gas, water or electricity works a “prohibited place” by Gazette notification, with a copy affixed in English and the local language. Section 3 makes it an offence to approach or enter a prohibited place, or make a sketch or note useful to an enemy, for a purpose prejudicial to the State. Do not assume your site is notified; ask legal, and look for the notice at the gate.
Immigration and Foreigners Act 2025. In force since 1 September 2025, it replaced the Foreigners Act 1946 and three other laws (Vialto Partners).
- Restricted places. Section 11 bars a foreigner from entering a protected area, restricted area or prohibited place without a special permit or permission. The Immigration and Foreigners Order 2025 (S.O. 3986(E)) applies this to Official Secrets Act prohibited places, with permission from the civil authority or Registration Officer (para 15); Protected and Restricted Area permits come under para 14.
- Power, water and petroleum. Para 9(2) requires civil authority permission before a foreigner on an employment visa takes employment with a private-sector undertaking supplying power or water, or in petroleum; para 9(5) obliges management to give the civil authority information on foreigners employed; OCI cardholders are exempt (para 9(6)). Whether an OEM’s own engineer on assignment is covered is a question for counsel.
- Accommodation. Section 8 requires keepers of accommodation to report foreign guests; check whether that covers your guest house.
MHA’s border-area guidelines add that developers should not engage engineers or labour from land border countries (they name Pakistan, Bangladesh and China) without Central Government permission.
Make a foreign visitor’s permissions a pre-arrival step owned by HR or legal, so the gate only checks that they are in hand.
Day-in-the-life scenarios at a power plant
6:30 am, day one of the annual overhaul. Suresh Patil, the security officer, has 120 contract workers and OEM engineers due at the contractor gate. Maintenance planning sent the approved list by contractor and zone last week; anyone without a safety induction and NDA is not on it. Passes cover the outage window and one zone; two replacement fitters wait for the planning engineer’s approval.
10:15 am, a foreign OEM expert arrives for commissioning. HR has confirmed his visa and any permission the site needs, and he completed the NDA and inductions online before travelling. ID verification happens at the gate, as policy requires for foreign nationals. His laptop and USB media are registered and scanned before he goes near the DCS room, and a named plant engineer escorts him.
11:00 am, an auditor in the control room. A CERT-In empanelled auditor arrives for a cyber security audit with an authorisation letter. Priya Nair, the shift charge engineer, approves entry. Phones stay at the door, an escort stays throughout, and no device is connected without the CISO’s written approval.
2:40 pm, an unannounced visitor asks for the station head. A man tells Ramesh Gond at the main gate he has a meeting with Vikram Sinha, the station head, and offers a number to call. Ramesh rings the office from the staff directory instead. Nobody expects him, so he is politely refused, the refusal is recorded and security checks the watchlist.
Each scenario rests on an approval made before the person reaches the gate. The guard confirms a decision; the guard does not make it.
Recommended set-up: twelve decisions
- Zones. Public, administrative, operational, control room and restricted (DCS and SCADA rooms, switchyard, battery and server rooms), with every gate and unmanned site listed.
- Visitor types. Business visitor, contract worker, OEM engineer, foreign national, auditor or regulator, driver, candidate.
- Pre-approval chains. The host approves; the zone owner approves restricted zones; HR or legal and the security officer approve foreign nationals. Walk-ins go no further than the visitor room.
- ID verification where policy calls for it. At least for contract workers, OEM engineers and foreign nationals, matched against the approved list.
- Inductions and NDAs before arrival. Safety induction, site security rules and the cyber security training your CEA framework expects of people with physical access to Critical Systems.
- Escorts. A named escort for control rooms and restricted zones, a written ratio for groups, and unescorted access only for inducted contractors in their own zone. In the switchyard and other live areas, the escort should be a person authorised under the plant’s electrical safety rules.
- Device rules. Phones and cameras deposited before restricted zones; laptops and USB media registered and scanned; photography notices at the gate.
- Time-bound passes. One gate, one zone and one window (a shift, the outage, the commissioning period), expiring on their own.
- Live register and roll call. Know who is in each zone now. In an emergency, report anyone unaccounted for to the fire service, including the plant’s own fire station, at once; sweep only if safe; after a real alarm, only the fire officer in charge clears re-entry. See our roll call guide.
- Watchlist flag. Debarred contractors and people whose access was withdrawn, approved by the head of security, reviewed regularly, shown quietly to the guard.
- Guard force interface. A written agreement with CISF, police or the agency on lists, timings and escalation.
- Retention. Keep the visit record and its logs for one year and photos and mobile numbers for days, as a written decision the DPO and counsel sign off (see the last question below). Most duties apply from 13 May 2027 (Rule 1(4)); some firms, including Cyril Amarchand Mangaldas, give 14 May 2027; as of 12 October 2026 no change had been notified (S.S. Rana & Co.). See our DPDP guide.
Decisions 3, 5 and 8 carry an outage. Settle them before the first contractor arrives.
Common mistakes at power plants and critical sites
- Outage passes that outlive the outage. Workers keep valid passes for weeks after the shutdown.
- Escort in name only. One supervisor “escorting” a group spread across two zones.
- Laptops straight into the DCS room. OEM media nobody registered or scanned.
- Phone rules waived for senior visitors. The control-room rule applies to everyone.
- Keeping everything indefinitely. “Critical infrastructure” is not a retention period under the DPDP Act.
- Contract labour data without a basis. Whether the principal employer can rely on the DPDP employment ground for contract workers is unsettled (PSA Legal); take advice.
Fix outage passes and control-room escorts first. In our experience, that is where policy and practice part ways.
Where Orb fits
Orb, our visitor management system, records every approval, pass and exit within the rules your security plan and guarding authority set.
Overhaul crowds
Contractors sign NDAs and inductions before they arrive, with ID verification for the visitor types your policy names.
Hosts on shift
The host approves in one tap in WhatsApp, Microsoft Teams or Slack; if they do not answer, a backup is asked, then the desk.
Time-bound passes
The visitor’s phone becomes the pass, showing gate, host and validity, with a code that changes every minute, and it works with your existing turnstiles and card readers.
Muster
A live register of who is inside right now, with an evacuation roll call, an “are you safe” check and a drill report.
Audit trail and privacy
A quiet watchlist flag for the guard, every look at a visitor record logged, and each detail erased on your schedule (photos and mobile numbers after seven days by default).
Questions buyers ask
Is there a law in India that sets visitor rules for power plants?
Not that we found. The IT Act, NCIIPC guidance, the CEA framework and, where a site is notified, the Official Secrets Act bear on physical access, but none prescribes a visitor register; your site security plan sets the detail.
Do the CEA Cyber Security Regulations 2026 cover visitors?
No summary we found mentions visitors or escorts, and we could not read the Gazette text. They come into force on 1 April 2027 for covered entities, including generating plants of 50 MW and above; the 2021 Guidelines required cyber security training for personnel with physical access to Critical Systems.
Can a foreign OEM engineer visit an Indian power plant?
Yes, with the right visa and any permission the site needs. A foreigner needs a special permit to enter a protected or restricted area or a prohibited place (Immigration and Foreigners Act 2025, s.11), and the 2025 Order requires civil authority permission before a foreigner on an employment visa takes up employment with a private power, water or petroleum undertaking. Confirm with counsel before travel.
Can we stop visitors carrying phones into the control room?
Yes. A site can make device deposit a condition of entry to restricted zones, and NCIIPC’s guidelines call for smartphones and mobile storage devices to be controlled.
Should the visitor management system connect to the plant’s OT network?
No. Keep it on the IT side, since summaries of the CEA Regulations 2026 describe OT isolated from IT and the internet by default. Put the visitor system through the same vendor and supply chain review your CISO applies to any ICT supplier, including where its data is stored.
How long should a critical site keep visitor and contractor records?
Keep the visit record and its logs for one year: DPDP Rule 8(3) asks for personal data, traffic data and processing logs to be kept for at least one year “for the purposes as specified in the Seventh Schedule”, which Cyril Amarchand Mangaldas and Lakshmikumaran & Sridharan read as binding every data fiduciary from 13 May 2027. Keep photos and mobile numbers for days, as a written decision your DPO and counsel sign off. Where another law requires a longer period, it prevails (section 8(7)).
Sources
- Section 70, Information Technology Act, 2000, Indian Kanoon
- Section 2, Information Technology Act, 2000 (definition of “access”), AdvocateKhoj
- National Critical Information Infrastructure Protection Centre, NCIIPC
- NCIIPC guidelines and documents, NCIIPC
- Guidelines for the Protection of National Critical Information Infrastructure, version 2.0, NCIIPC, 16 January 2015 (copy hosted by Asian School of Cyber Laws)
- IT (Information Security Practices and Procedures for Protected System) Rules, 2018 notified, S.S. Rana & Co., 22 August 2018
- CERT-In Directions under section 70B(6), CERT-In, 28 April 2022
- Strengthening Cybersecurity in Power Sector, Press Information Bureau, Ministry of Power, 11 December 2025
- CEA (Cyber Security in Power Sector) Guidelines, 2021, Central Electricity Authority (copy hosted by TGTRANSCO)
- CEA releases guidelines for cybersecurity in power sector, Power Line, 8 October 2021
- CEA Invites Public Comments on Draft Cybersecurity Regulations for the Power Sector, 2025, King Stubb & Kasiva, 19 November 2025
- CEA notifies India’s first comprehensive and legally binding cyber security regulatory framework for the power sector, PwC India, 3 September 2026
- Central Electricity Authority (Cyber Security in Power Sector) Regulations, 2026, TeamLease RegTech
- CEA notifies CEA (Cyber Security in Power Sector) Regulations, 2026, Power Line, 14 August 2026
- The CEA Cyber Security in Power Sector Regulations, 2026: what each chapter requires, Beacon Security, 6 August 2026
- ISO/IEC 27001:2022, Information security management systems: Requirements, ISO
- ISO/IEC 27019:2024, Information security controls for the energy utility industry, ISO, October 2024
- STN EN ISO/IEC 27019 preview, table of contents, Slovak Office of Standards
- IEC 62443-2-1:2024, Security program requirements for IACS asset owners, IEC, 7 August 2024
- ISA/IEC 62443 series of standards, ISA
- Section 14, Central Industrial Security Force Act, 1968, Indian Kanoon
- Central Industrial Security Force, CISF
- Guidelines for National Security Clearance for Solar/Wind/Hybrid Projects in Border Areas, Ministry of Home Affairs, Office Memorandum of 3 July 2026
- Official Secrets Act, 1923, section 2 and section 3, AdvocateKhoj
- Immigration and Foreigners Act, 2025, section 11 and section 8, AdvocateKhoj
- Immigration and Foreigners Order, 2025, S.O. 3986(E), Ministry of Home Affairs, 1 September 2025 (copy hosted by the High Court of Tripura)
- India: Impact of the Immigration and Foreigners Act, 2025, Vialto Partners, 22 September 2025
- Two employers, one worker, no clarity: DPDPA’s silence on contract labour, PSA Legal Counsellors, 20 August 2026
- DPDP Rules, 2025 notified, Press Information Bureau, 14 November 2025
- MeitY notifies Digital Personal Data Protection Rules, 2025, SCC Online, 14 November 2025
- FAQs: The Digital Personal Data Protection Act, 2023, Cyril Amarchand Mangaldas, law as on 7 December 2025
- Digital Personal Data Protection Rules, 2025: incremental tweaks and the way ahead, Lakshmikumaran & Sridharan, updated 16 July 2026
- DPDP (Removal of Difficulties) Order, 2026, S.S. Rana & Co., 12 October 2026
This guide reflects the laws, regulations and standards we could check as of 13 October 2026. It is general information, not legal or security advice: confirm your approach with counsel, your CISO and the authority responsible for your site’s security.


